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Jeep Wrangler YJ
YJ General Discussion
High RPMs when shifting (and cold)
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<blockquote data-quote="EvilRbt" data-source="post: 437412" data-attributes="member: 20509"><p>I’ve read similar statements before. Why do so many IACs seem like junk?</p><p></p><p>Also, did you adjust them before installing? I tried putting my old IAC back in yesterday and the tip isn’t the screw type so I pushed it in (I read it needs to be under 1 1/8 inch). Once I fired up the Jeep, the RPMs were higher than ever. </p><p></p><p>This whole situation is such a brainscratcher. The Jeep idled just fine before I cleaned the throttle body (just sticky throttle). </p><p></p><p>I’ve ordered another IAC. Before it arrives I think I’m going to disconnect the battery overnight to fully ensure everything resets. </p><p></p><p>Would love to solve this issue obviously. Someone elsewhere claims that if it only happens when cold, it’s gotta be a vacuum leak.</p></blockquote><p></p>
[QUOTE="EvilRbt, post: 437412, member: 20509"] I’ve read similar statements before. Why do so many IACs seem like junk? Also, did you adjust them before installing? I tried putting my old IAC back in yesterday and the tip isn’t the screw type so I pushed it in (I read it needs to be under 1 1/8 inch). Once I fired up the Jeep, the RPMs were higher than ever. This whole situation is such a brainscratcher. The Jeep idled just fine before I cleaned the throttle body (just sticky throttle). I’ve ordered another IAC. Before it arrives I think I’m going to disconnect the battery overnight to fully ensure everything resets. Would love to solve this issue obviously. Someone elsewhere claims that if it only happens when cold, it’s gotta be a vacuum leak. [/QUOTE]
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Jeep Wrangler YJ
YJ General Discussion
High RPMs when shifting (and cold)
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